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gmime-utils

gmime-utils — MIME utility functions

Functions

GDateTime * g_mime_utils_header_decode_date ()
char * g_mime_utils_header_format_date ()
char * g_mime_utils_generate_message_id ()
char * g_mime_utils_decode_message_id ()
char * g_mime_utils_header_printf ()
char * g_mime_utils_quote_string ()
void g_mime_utils_unquote_string ()
gboolean g_mime_utils_text_is_8bit ()
GMimeContentEncoding g_mime_utils_best_encoding ()
char * g_mime_utils_decode_8bit ()
char * g_mime_utils_header_decode_text ()
char * g_mime_utils_header_encode_text ()
char * g_mime_utils_header_decode_phrase ()
char * g_mime_utils_header_encode_phrase ()
char * g_mime_utils_structured_header_fold ()
char * g_mime_utils_unstructured_header_fold ()
char * g_mime_utils_header_unfold ()

Description

Utility functions to parse, encode and decode various MIME tokens and encodings.

Functions

g_mime_utils_header_decode_date ()

GDateTime *
g_mime_utils_header_decode_date (const char *str);

Parses the rfc822 date string.

Parameters

str

input date string

  

Returns

the GDateTime representation of the date string specified by str or NULL on error.

[nullable][transfer full]

g_mime_utils_header_format_date ()

char *
g_mime_utils_header_format_date (GDateTime *date);

Allocates a string buffer containing the rfc822 formatted date string represented by date .

Parameters

date

a GDateTime

  

Returns

a valid string representation of the date.

g_mime_utils_generate_message_id ()

char *
g_mime_utils_generate_message_id (const char *fqdn);

Generates a unique Message-Id.

Parameters

fqdn

Fully qualified domain name

  

Returns

a unique string in an addr-spec format suitable for use as a Message-Id.

g_mime_utils_decode_message_id ()

char *
g_mime_utils_decode_message_id (const char *message_id);

Decodes a msg-id as defined by rfc822.

Parameters

message_id

string containing a message-id

  

Returns

the addr-spec portion of the msg-id.

g_mime_utils_header_printf ()

char *
g_mime_utils_header_printf (GMimeParserOptions *options,
                            GMimeFormatOptions *format,
                            const char *text,
                            ...);

Allocates a buffer containing a formatted header specified by the Varargs .

Parameters

options

a GMimeParserOptions or NULL.

[nullable]

format

a GMimeFormatOptions or NULL.

[nullable]

text

text with printf-style formatters

  

...

arguments

  

Returns

an allocated string containing the folded header specified by text and the following arguments.

g_mime_utils_quote_string ()

char *
g_mime_utils_quote_string (const char *str);

Quotes string as needed according to the rules in rfc2822.

Parameters

str

input string

  

Returns

an allocated string containing the escaped and quoted (if needed to be) input string. The decision to quote the string is based on whether or not the input string contains any 'specials' as defined by rfc2822.

g_mime_utils_unquote_string ()

void
g_mime_utils_unquote_string (char *str);

Unquotes and unescapes a string.

Parameters

str

input string

  

g_mime_utils_text_is_8bit ()

gboolean
g_mime_utils_text_is_8bit (const unsigned char *text,
                           size_t len);

Determines if text contains 8bit characters within the first len bytes.

Parameters

text

text to check for 8bit chars.

[array length=len][element-type guint8]

len

text length

  

Returns

TRUE if the text contains 8bit characters or FALSE otherwise.

g_mime_utils_best_encoding ()

GMimeContentEncoding
g_mime_utils_best_encoding (const unsigned char *text,
                            size_t len);

Determines the best content encoding for the first len bytes of text .

Parameters

text

text to encode.

[array length=len][element-type guint8]

len

text length

  

Returns

a GMimeContentEncoding that is determined to be the best encoding type for the specified block of text. ("best" in this particular case means smallest output size)

g_mime_utils_decode_8bit ()

char *
g_mime_utils_decode_8bit (GMimeParserOptions *options,
                          const char *text,
                          size_t len);

Attempts to convert text in an unknown 8bit/multibyte charset into UTF-8 by finding the charset which will convert the most bytes into valid UTF-8 characters as possible. If no exact match can be found, it will choose the best match and convert invalid byte sequences into question-marks (?) in the returned string buffer.

Parameters

options

a GMimeParserOptions or NULL.

[nullable]

text

input text in unknown 8bit/multibyte character set.

[array length=len][element-type guint8]

len

input text length

  

Returns

a UTF-8 string representation of text .

g_mime_utils_header_decode_text ()

char *
g_mime_utils_header_decode_text (GMimeParserOptions *options,
                                 const char *text);

Decodes an rfc2047 encoded 'text' header.

Parameters

text

header text to decode

  

options

a GMimeParserOptions or NULL.

[nullable]

Returns

a newly allocated UTF-8 string representing the the decoded header.

g_mime_utils_header_encode_text ()

char *
g_mime_utils_header_encode_text (GMimeFormatOptions *options,
                                 const char *text,
                                 const char *charset);

Encodes a 'text' header according to the rules in rfc2047.

Parameters

options

a GMimeFormatOptions or NULL.

[nullable]

text

text to encode

  

charset

the charset to use or NULL to use the default.

[nullable]

Returns

the encoded header. Useful for encoding headers like "Subject".

g_mime_utils_header_decode_phrase ()

char *
g_mime_utils_header_decode_phrase (GMimeParserOptions *options,
                                   const char *phrase);

Decodes an rfc2047 encoded 'phrase' header.

Parameters

phrase

header to decode

  

options

a GMimeParserOptions or NULL.

[nullable]

Returns

a newly allocated UTF-8 string representing the the decoded header.

g_mime_utils_header_encode_phrase ()

char *
g_mime_utils_header_encode_phrase (GMimeFormatOptions *options,
                                   const char *phrase,
                                   const char *charset);

Encodes a 'phrase' header according to the rules in rfc2047.

Parameters

options

a GMimeFormatOptions or NULL.

[nullable]

phrase

phrase to encode

  

charset

the charset to use or NULL to use the default.

[nullable]

Returns

the encoded 'phrase'. Useful for encoding internet addresses.

g_mime_utils_structured_header_fold ()

char *
g_mime_utils_structured_header_fold (GMimeParserOptions *options,
                                     GMimeFormatOptions *format,
                                     const char *header);

Folds a structured header according to the rules in rfc822.

Parameters

options

a GMimeParserOptions or NULL.

[nullable]

format

a GMimeFormatOptions or NULL.

[nullable]

header

header field and value string

  

Returns

an allocated string containing the folded header.

g_mime_utils_unstructured_header_fold ()

char *
g_mime_utils_unstructured_header_fold (GMimeParserOptions *options,
                                       GMimeFormatOptions *format,
                                       const char *header);

Folds an unstructured header according to the rules in rfc822.

Parameters

options

a GMimeParserOptions or NULL.

[nullable]

format

a GMimeFormatOptions or NULL.

[nullable]

header

header field and value string

  

Returns

an allocated string containing the folded header.

g_mime_utils_header_unfold ()

char *
g_mime_utils_header_unfold (const char *value);

Unfolds a raw header value according to the rules in rfc822.

Parameters

value

raw header value

  

Returns

an allocated string containing the unfolded header value.

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